Poultry Tonic

What is a good poultry tonic?

The following is a very good tonic for general purposes: Tincture of red
cinchona, 1 fluid ounce; tincture of chloride of iron, 1 fluid drachm;
tincture of flux vomica, 4 fluid drachms; glycerine 2 ounces; water, 2
ounces. Mix and give one teaspoonful to a quart of water, allowing no
other drink.